Take an aquatic class, swap bicycle parts or volunteer

St. Pete Beach Family Aquatic Center classes: Water aerobics is held from 1:30 to 2:15 p.m. Tuesdays, Wednesdays and Thursdays. Zumba for all fitness levels is held from 11 a.m. to noon Mondays and 10:15 to 11:15 a.m. Saturdays. Cost for both classes is $5 for residents, $6 nonresidents. Both accept Silver Sneakers. The aquatic center is at 7701 Boca Ciega Drive. For information, call (727) 363-9264 or visit spbrec.com.

Sand sculpting volunteers needed: Sanding Ovations, the Master's Cup Sand Sculpting Competition and Music Festival, is Nov. 21-24 in Treasure Island. Help is needed for the beer truck, T-shirt sales and VIP tent. Volunteers will receive an event T-shirt, parking and refreshments at the VIP tent. Schedule a time by calling (727) 547-4575, ext. 237, or email recreation@mytreasureisland.org.

Volunteer orientation: The St. Petersburg Free Clinic will have a session at 3:30 p.m. Tuesday at 863 Third Ave N. Assignments can be short or long term. Email Angel Schumaker at angel.schumaker@stpetersburgfreeclinic.org or call (727) 821-1200, ext. 114.

Bicycle swap meet: ABC Bicycles, at 6633 Central Ave. in St. Petersburg, will host a gathering to buy, trade and sell used bicycle parts from 10 a.m. to 2 p.m. Nov. 23. It benefits Cure on Wheels. You can purchase a spot for $10. Rent a table for $15 more. There is no fee for commercial vendors. Call (727) 345-5391 or email bikeabc@msn.com.

Gecko Ball theme: Organizers of Gulfport's Gecko Ball are encouraging the public to vote on the theme of next year's event. Proposed themes are "Gecko Sock Hop," "Gecko Mardi Gras" and "Roaring Geckos." Voting will continue through Nov. 30. Go to facebook.com/geckoball and post your choice in a comment. Or email your choice to geckoball2014@yahoo.com.

Free nonprofit vendor space: The Gulfport Tuesday Fresh Market is offering one free vendor space each week for nonprofit organizations to provide information, sell tickets to events or sell items for fundraising. Any items to be sold must be preapproved. For information, email Laura Garrison at gulfportmarket@gmail.com.

There is a reason why the air in Tampa Bay is filled with playoff talk. If Thursday night's 12-8 Bucs preseason win over the Jaguars is any indication, it's also going to be filled with footballs thrown by quarterback Jameis Winston.